Alpha Strike is BattleTech's fast-playing game of armored combat. Alpha Strike Clan Invasion Cards contains the 'Mech Units that sprung from the distant Periphery to terrorize the Inner Sphere and 'Mechs designed to repel them. Full-color, poker sized, and laminated for dry-erase use, you just need miniatures and dice and you'll be battling for control of mankind's tenuous future.